SOLENOID-OPERATED VALVE Russian patent published in 1994 - IPC

FIELD: refrigerating and cryogenic engineering. SUBSTANCE: housing is provided with seat which is brought in communication with outlet passage. Open end of cylindrical bore which is concentric to seat is brought in communication with inlet passage. Mounted in bore is main gate of piston type with loading hole. Connected with electromagnetic drive is control gate whose inlet passage is brought out to bottom of bore. Main gate is mounted at a spaced relation to walls of bore. Sealing surface is provided in bottom of bore on the outside of inlet passage of control gate; main gate is provided with mating sealing edge and flaps on outer side of loading hole. EFFECT: enhanced reliability. 1 dwg